Alexander Mackenzie (January 28, 1822 – April 17, 1892) was a Canadian stonemason and politician who served as the second prime minister of Canada from 1873 to 1878. Wikipedia
Sir Alexander Mackenzie ( – 12 March 1820) was a Scottish-Canadian explorer and fur trader known for accomplishing the first crossing of North America north of Mexico by a European in 1793. The Mackenzie River and Mount Sir Alexander are named after him. Wikipedia